Triple

T10357869
Position Surface form Disambiguated ID Type / Status
Subject Blue Line (St. Louis MetroLink) E244048 entity
Predicate terminus P388 FINISHED
Object Shrewsbury–Lansdowne I-44 station
Shrewsbury–Lansdowne I-44 station is a St. Louis MetroLink light rail station in Shrewsbury, Missouri, serving as a key transit hub and park-and-ride facility in the system’s southwestern suburbs.
E858538 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Shrewsbury–Lansdowne I-44 station | Statement: [Blue Line (St. Louis MetroLink), terminus, Shrewsbury–Lansdowne I-44 station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Shrewsbury–Lansdowne I-44 station
Context triple: [Blue Line (St. Louis MetroLink), terminus, Shrewsbury–Lansdowne I-44 station]
  • A. Madison/Wells station
    Madison/Wells station was a former elevated rapid transit stop on Chicago’s Loop ‘L’ that once served trains on the city’s downtown circuit.
  • B. Derby–Shelton station
    Derby–Shelton station is a commuter rail stop in Derby, Connecticut, serving the Metro-North Railroad’s Waterbury Branch.
  • C. Willow Springs station
    Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
  • D. Pleasant Plains station
    Pleasant Plains station is a Staten Island Railway stop in the Pleasant Plains neighborhood of Staten Island, New York City.
  • E. Prairie Crossing station
    Prairie Crossing station is a commuter rail stop in Grayslake, Illinois, serving Metra passengers traveling between Chicago and the surrounding suburban communities.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Shrewsbury–Lansdowne I-44 station
Triple: [Blue Line (St. Louis MetroLink), terminus, Shrewsbury–Lansdowne I-44 station]
Generated description
Shrewsbury–Lansdowne I-44 station is a St. Louis MetroLink light rail station in Shrewsbury, Missouri, serving as a key transit hub and park-and-ride facility in the system’s southwestern suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Shrewsbury–Lansdowne I-44 station
Target entity description: Shrewsbury–Lansdowne I-44 station is a St. Louis MetroLink light rail station in Shrewsbury, Missouri, serving as a key transit hub and park-and-ride facility in the system’s southwestern suburbs.
  • A. Madison/Wells station
    Madison/Wells station was a former elevated rapid transit stop on Chicago’s Loop ‘L’ that once served trains on the city’s downtown circuit.
  • B. Derby–Shelton station
    Derby–Shelton station is a commuter rail stop in Derby, Connecticut, serving the Metro-North Railroad’s Waterbury Branch.
  • C. Willow Springs station
    Willow Springs station is a commuter rail stop in Willow Springs, Illinois, served by Metra’s Heritage Corridor line between Chicago and Joliet.
  • D. Pleasant Plains station
    Pleasant Plains station is a Staten Island Railway stop in the Pleasant Plains neighborhood of Staten Island, New York City.
  • E. Prairie Crossing station
    Prairie Crossing station is a commuter rail stop in Grayslake, Illinois, serving Metra passengers traveling between Chicago and the surrounding suburban communities.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d381b22b8c8190aaed476be5f872a9 completed April 6, 2026, 9:49 a.m.
NER Named-entity recognition batch_69d4e9563ea48190b8702b3ef497ed9a completed April 7, 2026, 11:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69d750b02ae48190898f9f97ab19ce60 completed April 9, 2026, 7:09 a.m.
NEDg Description generation batch_69d7618ecb748190a492406eabe590d7 completed April 9, 2026, 8:21 a.m.
NED2 Entity disambiguation (via description) batch_69d77057affc8190b420e66560c3dfbd completed April 9, 2026, 9:24 a.m.
Created at: April 6, 2026, 11:58 a.m.